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This Subcontract opportunity from Oklahoma was posted on October 10, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Aggregate Base Installation

Closed
State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 238990
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MAIN WASTEWATER TREATMENT PLANT SECONDARY REACTORS REHABILITATION,PHASE 2, SPECIFICATION SD-462
Solicitation # main-wastewater-treatment-plant-secondary-reactors-rehabilitationphase-2-specification-sd-462
J.F. Shea Construction, Inc. is seeking bids from subcontractors and suppliers for Phase 2 of the Main Wastewater Treatment Plant Secondary Reactors Rehabilitation project located in California. The scope of work is extensive, encompassing demolition, saw-cutting, concrete coring, hazardous materials handling, AC paving, ready-mix concrete, reinforcing steel, structural steel, miscellaneous metals, waterproofing, access and vault hatches, painting, coatings, equipment, and electrical services. This solicitation is specifically set aside for certified small businesses, including Service-Disabled Veteran Owned, Veteran Owned, Women-Owned, and Disadvantaged Business Enterprises. Interested parties must submit their responses by November 18, 2026. Primary coordination for this opportunity is managed by Lori Olivas.
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PURIFIED WATER REPLENISHMENT SAN JACINTO VALLEY ADVANCED WATER PURIFICATION FACILITY SPECIFICATION NO. 1472W
Solicitation # purified-water-replenishment-san-jacinto-valley-advanced-water-purification-facility-specification-0
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AI Contract Overview

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This subcontract for the City of Stillwater in Oklahoma involves the supply and installation of plant-mixed aggregate base and separator fabric for roadway projects. The scope of work requires the delivery and installation of 41 cubic yards of Aggregate Base Type A Plant Mixed and 250 square yards of Mirafi 160 or an equivalent separator fabric, resulting in a fully compacted aggregate base layer for prime contractors. The opportunity is categorized under NAICS code 238990 and was posted on October 10, 2026. Interested parties must submit their responses by the deadline of November 4, 2026.

General Info

Subcontract for aggregate base and separator fabric installation for City of Stillwater roadways.

Agency

Oklahoma → City Of Stillwater

NAICS

238990 - All Other Specialty Trade Contractors

Place of Performance

OK, USA

Set-Aside

NONE

Documents

This scope was carved out of 23-2026.

The full solicitation package (4 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

10th Avenue and Main Street Improvements Project 26TR12

AI Contract Breakdown

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Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyOklahoma → City Of Stillwater
ContactsNo contacts available
OfficeN/A
Organization / AgencyOklahoma → City Of Stillwater
Office AddressN/A
ContactsNo contact information available

Full Description

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Supplies and installs plant-mixed aggregate base and separator fabric for prime contractors on City of Stillwater roadway projects. Installs 41 CY of Aggregate Base Type A Plant Mixed and 250 SY of Mirafi 160 or equivalent separator fabric. Delivers a compacted aggregate base layer.

More opportunities from Oklahoma → City Of Stillwater

Same awarding agency

NAICS: 327320
SLED
Ready-Mix Concrete SupplyThis subcontract agreement involves the supply of Portland Cement Concrete for prime contractors working on projects managed by the City of Stillwater Engineering Department. The selected provider is responsible for the manufacture and delivery of ready-mix concrete to paving sites using appropriate transport trucks, ensuring all materials adhere to ODOT Spec 414 and specific City of Stillwater requirements. A critical component of the contract is the necessity for approved mix designs to ensure quality and compliance. Interested parties must submit their responses by November 18, 2026, for this procurement effort categorized under NAICS code 327320.
Ready-Mix Concrete Manufacturing

POSTED

26 days ago

DEADLINE

in 6 days
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NAICS: 561990
SLED
Traffic Control and Pedestrian SafetyThis subcontract for the City of Stillwater in Oklahoma focuses on providing comprehensive traffic control and pedestrian safety services for Engineering Department projects. The selected provider will be responsible for implementing traffic control plans, managing work area and driveway access, and coordinating logistics with special events and bus transit. Key operational duties include the deployment of signage, safety barriers, cones, barricades, and flaggers to maintain secure work zones and minimize disruptions to city traffic. The solicitation was posted on October 17, 2026, with a response deadline of November 18, 2026. Classified under NAICS code 561990, the contract aims to ensure the safety of both pedestrians and prime contractors through professional traffic management. Interested parties can find further details through the city's official procurement portal.
All Other Support Services

POSTED

26 days ago

DEADLINE

in 6 days
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NAICS: 238910
SLED
Earthwork and Subgrade TreatmentThis subcontract for the City of Stillwater involves providing specialized earthwork and subgrade treatment services for projects managed by the Engineering Department. The scope of work includes performing excavation, subgrade stabilization, and the installation of Aggregate Base Type A. All operations must be executed in strict accordance with ODOT Specifications 202, 307, and 303, utilizing graders and compactors to ensure all mix design, proctor, and density requirements are met. The selected subcontractor is responsible for delivering a fully compacted and certified subgrade and aggregate base to the prime contractor. This opportunity is categorized under NAICS code 238910, with a response deadline set for November 18, 2026.
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26 days ago

DEADLINE

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NAICS: 237310
SLED
Concrete Paving (Full Depth Repair)This subcontract for Concrete Paving Full Depth Repair involves the placement and finishing of dowel jointed and portland cement concrete pavement for prime contractors working on City of Stillwater Engineering Department projects. The scope of work focuses on executing full depth repairs at various city locations using dowel bars and portland cement concrete, ensuring all deliverables are installed and finished at designated work order sites. All work must be performed in strict adherence to ODOT Spec 414 and the COS2021 Standards for Streets, Sidewalks, and Concrete. The opportunity is categorized under NAICS code 237310 and is associated with the City of Stillwater in Oklahoma, with a response deadline set for November 18, 2026.
Highway, Street, and Bridge Construction

POSTED

26 days ago

DEADLINE

in 6 days
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NAICS: 237310
SLED
Full Depth Repair - 27TR06
Solicitation # 15-2026
The City of Stillwater and Stillwater Utilities Authority are soliciting bids for Project 27TR06, Bid No. 25-2026, which involves full depth repairs on city streets and rights of way. The primary scope of work consists of the removal and replacement of paving across various locations within the city. This is a work order contract awarded to the lowest responsible bidder based on unit prices, with a total contract ceiling not to exceed 2,000,000 dollars. The contract period is two years, commencing upon the initial notice to proceed, and work is considered substantially complete when 95 percent of the contract value is finished. All construction and materials must comply with the 2019 Oklahoma Department of Transportation Standard Specifications for Highway Construction and current City of Stillwater specifications. Bids must be submitted electronically via the Ionwave portal by 3:00 PM on November 18, 2026. Submissions must include a bid guarantee of at least 5 percent of the bid amount in the form of a bond or certified check, along with a statement of qualifications and required non-discrimination affidavits. The successful bidder must execute the contract within 14 calendar days of the notice of award and provide performance, maintenance, and statutory bonds, as well as certificates of insurance for public liability and workers compensation. Funding for the contract is not guaranteed beyond June 30, 2027.
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26 days ago

DEADLINE

in 6 days
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NAICS: 238210
SLED
Decorative Site Lighting InstallationThis subcontract agreement covers the supply and installation of decorative site lighting for prime contractors working on the Knoblock St. Streetscape project in Stillwater, Oklahoma. The scope of work includes the installation of decorative light fixtures, poles, and pole bases, along with 2 inch galvanized rigid conduit featuring 90 degree elbows. All work must be performed in strict compliance with applicable electrical codes to ensure the delivery of fully operational site lighting. The project is associated with the City of Stillwater and falls under NAICS code 238210. Interested parties should note that the solicitation was posted on October 17, 2026, with a response deadline set for November 18, 2026.
Electrical Contractors and Other Wiring Installation Contractors

POSTED

27 days ago

DEADLINE

in 5 days
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NAICS: 561730
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Landscaping and Planting ServicesThis subcontract for Landscaping and Planting Services involves performing specialized horticultural work for prime contractors on the Knoblock St. Streetscape project in Stillwater, Oklahoma. The scope of work includes the planting of trees, shrubs, and groundcover, as well as the application of a two-inch thick layer of bark mulch. The contractor is responsible for ensuring all landscape beds and trees are fully installed and established, which includes resetting any settled plants to the proper grade. Beyond initial installation, the contractor must provide ongoing watering and maintenance services until the project reaches final acceptance. This opportunity is categorized under NAICS code 561730 and is associated with the City of Stillwater. Interested parties should note the response deadline of November 18, 2026.
Landscaping Services

POSTED

27 days ago

DEADLINE

in 5 days
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NAICS: 561730
SLED
Landscape Irrigation InstallationThis subcontract agreement covers the turnkey installation of an automatic landscape irrigation system for the Knoblock St. Streetscape project in Stillwater, Oklahoma. The scope of work includes trenching, backfilling, and the installation of controllers in HotBox enclosures, backflow preventers, and 1 inch water meters. The project requires the use of RainBird equipment and Copper Type K or PVC Sch40 piping, concluding with water pressure testing to ensure a fully operational system. The contract is categorized under NAICS code 561730 and is associated with the City of Stillwater. Interested parties should note that the solicitation was posted on October 17, 2026, with a response deadline of November 18, 2026.
Landscaping Services

POSTED

27 days ago

DEADLINE

in 5 days
View Details
NAICS: 238990
SLED
Site Furnishings InstallationThis subcontract for the City of Stillwater involves the supply and installation of streetscape furniture for prime contractors working on the Knoblock St. Streetscape project in Oklahoma. The scope of work includes the installation of various site amenities such as cafe tables, benches, bike racks, planter pots, hanging planters, and litter receptacles. Additionally, the contractor is responsible for salvaging existing furnishings and reinstalling them in designated new locations according to manufacturer instructions, as well as managing the delivery of all installed and salvaged items. The project is categorized under NAICS code 238990. Interested parties must note that the solicitation was posted on October 17, 2026, with a response deadline set for November 18, 2026.
All Other Specialty Trade Contractors

POSTED

27 days ago

DEADLINE

in 5 days
View Details
NAICS: 238990
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Unit Paver InstallationThis subcontract agreement concerns the installation of unit pavers for the Knoblock St. Streetscape project in Stillwater, Oklahoma, under the jurisdiction of the City of Stillwater. The selected contractor will work for prime contractors to provide and install unit pavers, bedding sand, and jointing material. All work must be performed in accordance with Section 32 14 13 and general construction standards to deliver completed paved surfaces. The opportunity is categorized under NAICS code 238990. Interested parties must submit their responses by the deadline of November 18, 2026, following the posting date of October 17, 2026.
All Other Specialty Trade Contractors

POSTED

27 days ago

DEADLINE

in 5 days
View Details
NAICS: 237310
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Roadway and Utility Improvements for Knoblock Street, 4th Avenue and Lincoln Street Project Number: 25TR04
Solicitation # 17-2026
The City of Stillwater and Stillwater Utilities Authority are soliciting bids for Project 25TR04 (Bid No. 17-2026), which involves roadway reconstruction, utilities replacement, and streetscaping improvements for Knoblock Street, 4th Avenue, and Lincoln Street. The scope of work includes the construction of new roadway and utility pavement, installation of permanent signing and markings, and the placement of decorative light fixtures and poles. All work must comply with the Americans with Disabilities Act and all applicable federal, state, and local safety and environmental regulations. A mandatory pre-bid conference is scheduled for October 27, 2026, at 9:00 AM, with an option for virtual attendance via Microsoft Teams. Bids must be submitted electronically through the Ionwave portal by 3:00 PM on November 18, 2026. Submissions must include a detailed bid form, a contractor qualifications statement, and several affidavits covering non-collusion, non-discrimination, and business relationships. A bid guarantee of at least 5 percent of the bid amount is required via a bidder's bond, certified check, or cashier's check from a solvent Oklahoma bank. The contract will be awarded to the lowest and best responsible bidder based on cost, project impact, and bidder qualifications. The successful bidder must execute the contract within 14 calendar days of the Notice of Award and provide performance, maintenance, and statutory bonds, along with certificates of insurance for public liability and workers compensation.
Highway, Street, and Bridge Construction

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